Note: Since HCM for z/OS 1.8,
you could also use the Create I/O Subsystem wizard (see Creating/Copying/Editing an I/O subsystem) to achieve this task and the task
described in Add some strings to the new controller in contiguous
steps and then establish the connections to CHPIDs and switches and
define the cables for these connections as described in the rest of
this scenario.
We are going to add a 2107 DASD subsystem.
- Select Create --> Controller. This opens the Create
Controller dialog. Fill in the values as shown, specifying an
unused control unit number, and click OK.
- The Choose Physical Description dialog may open. The dialog
is displayed when there is more than one physical description possible
for the control unit type selected. Select the description as shown
and click OK.
- If you have defined your own PDF that allows two segments for
your controller, the Add Control Unit dialog is opened to create
a second control unit for the second segment.
- Enter an unused control unit number and click OK.
- The new controller appears selected on the diagram.